Lp Outline

1. Description of hl7 and its purpose/Introduction
   1. What it is
   2. Where did it come from
   3. Why its used
      1. To create a standard in the hospital information systems
   4. Types of messages
      1. Admission (ADT)
      2. Order
      3. Billing
2. Overview of hl7 version 2
   1. How long its been used
      1. Created in 1989
   2. Where its used
   3. Common flaws/complaints about version 2
3. Overview of hl7 version 3
   1. When it came out
      1. Development started in 1995, came out in 2005
   2. New things in version 3
      1. Its based on a formal methodology (the HDF) and object-oriented principles
   3. Where and why it is used
   4. problems with it
4. Differences and similarities between the two versions
   1. differences
   2. Similiarities
   3. compatibility
5. Reasons why people dont switch to version 3/Conclusion